Relier Pairs Vocabulary sleeping habitsVersion en ligne Match the expression with the correct definition par Pedro Torres Hernandez 1 be fast asleep 2 toss and turn 3 feel drowsy 4 to take a power nap 5 nod off 6 be sound sleep 7 be wide awake 8 sleep like a log 9 drift off to move about and turn over in bed because one is unable to sleep tossing and turning all night you gradually fall asleep Someone who is fully awake and unable to sleep to take a brief sleep during the day in order to improve one's alertness and ability to work efficiently throughout the remainder of the day fall asleep unintentionally. to sleep very soundly , so well that noises don't even wake you up. sleepy and having low energy sleeping in a way that makes it difficult to wake you sleeping deeply